I think APNIC has a policy that defines the minimum IPv6 allocation based on 
your current IPv4 allocation/usage. This would fix the problem?

----- Original Message -----
From: "Randy Carpenter" <rcar...@network1.net>
To: "Nick Hilliard" <n...@foobar.org>
Cc: nanog@nanog.org
Sent: Wednesday, 27 October, 2010 6:31:18 AM
Subject: Re: IPv6 Routing table will be bloated?


I think ARIN is now doing sparse allocations on /28 boundaries.

My personal opinion is that it should be even more sparse, and that allocations 
should be done on nibble boundaries.  Any reasonably-sized ISP should get at 
least a /28.

I deal with many small-ish ISPs, and most are 5,000-10,000 users. Those are 
probably served by a /32 for quite some time. When you get into the ones that 
are 20,000-50,000, it gets tricker to deal with. Those should get a /28. The 
mega-ISPs should get a /24, or even a /20.

Another problem is that the allocations from IANA to the RIRs are too small to 
begin with. If there are 5 RIRs, why does there have to be so much 
fragmentation? It is too late for that, though.

Anyway, I think there are some proposals floating around (Owen? ;-) ) That 
would make the /32,/28,/24 (nibble boundary) idea into policy. We'll have to 
wait and see what happens.




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